Analysis of rock mass quality and support practice in tunneling, and a guide for estimating support requirements
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| Autor principal: | |
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| Format: | Llibre |
| Idioma: | anglès |
| Publicat: |
1974
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| Descripció de l’ítem: | T 74.681 -- LIEN,R.: -- Analysis of rock mass quality and support -- practice in tunneling, and a guide for esti= -- mating support requirements.1974 -- s.BARTON,N. |
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